The Cyber-Spy.Com Usenet Archive Feeds Directly
From The Open And Publicly Available Newsgroup
This Group And Thousands Of Others Are Available
On Most IS NNTP News Servers On Port 119.
Cyber-Spy.Com Is NOT Responsible For Any Topic,
Opinions Or Content Posted To This Or Any Other
Newsgroup. This Web Archive Of The Newsgroup And
Posts Are For Informational Purposes Only.
From: "Randy Ott"
References: <email@example.com> <3DC06342.firstname.lastname@example.org> <email@example.com>
Subject: Re: Frustrated over converting 8 bit bcd to serial data
Organization: ISC Datacom, Inc.
X-Newsreader: Microsoft Outlook Express 6.00.2600.0000
NNTP-Posting-Date: Thu, 31 Oct 2002 10:55:33 EST
Date: Thu, 31 Oct 2002 15:55:33 GMT
A microcontroller is "so simple." Certainly simpler than a clock and shift
register. That's at least 2 IC's and some R's and C's. A single chip micro
such as an Atmel AVR or Microchip PIC can do it with one part and no
"MG" wrote in message
> Why do I need a microcontroller for something so simple? All I need is a
> clock and a shift register, after having reviewed other peoples' replies.
> "Rene Tschaggelar" wrote in message
> > Forget a 555. This is the job of a microcontroller.
> > Rene
> > --
> > Ing.Buero R.Tschaggelar - http://www.ibrtses.com
> > & commercial newsgroups - http://www.talkto.net
> > MG wrote:
> > > I am using a Burr-Brown PGA2311PA to create an active stereo headphone
> > > volume control. This IC uses a three wire serial input to set the
> > > The serial input is of the form (R is the right channel volume setting
> > > 0-255, and L is the left channel):
> > >
> > > R7-R6-R5-R4-R3-R2-R1-R0-L7-L6-L5-L4-L3-L2-L1-L0
> > >
> > > with each bit corresponding to a clock pulse. Now, let's say I use a
> > > chip to supply the clock and one 8 position dip switch to set the
> > > one of 256 levels. I want the R and L values to always be the same.
> > > else do I need to conver the dip switch setting into the 16 bit serial
> > > above. Basically, I need something that converts 8-bit BCD into two
> > > identical back to back serial bursts (One for the R channel and one
> > > L), clocked by the 555.
> -----------== Posted via Newsfeed.Com - Uncensored Usenet News
> http://www.newsfeed.com The #1 Newsgroup Service in the World!
> -----= Over 100,000 Newsgroups - Unlimited Fast Downloads - 19 Servers
Go Back To The Cyber-Spy.Com
Usenet Web Archive Index Of
The sci.electronics.design Newsgroup